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Description of Rhododendron keysii

R. keysii 
Photo by: Kenneth Cox

Predominant Flower Color: 

Red, Pink 

 Flower / Truss Description: 

Narrowly tubular, pendulous, deep red to salmon pink, usually bicolored, lobes often yellow. 

Fragrant: 

No  

Bloom Time: 

Late Midseason to Very Late 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

5F (-15C)

Foliage Description: 

Leaves elliptic to lanceolate, up to 6" long. 

Elepidote (E) or Lepidote (L): 

 

Plant Habit: 

Often straggly or leggy shrub 

Sub Genus: 

Rhododendron 

Section: 

Rhododendron 

Sub Section: 

Cinnabarina 

Geographical Origin: 

India (Sikkim, Arunachal Pradesh), Bhutan, China (S Tibet) 

 Note: Bloom time and 10 year height information are approximate and can vary dependent on local climate and soil conditions.
Hardiness temperature is also an approximate guideline.


American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
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